Thread: S1 Disco diagnostics

Originally Posted by justinc

???There is only 1 ENGINE ECU, and it doesn't talk to the other SRS, ABS or any other ECU in a D1. 14CUX ECU is stand alone, even in the later RRC it doesn't talk to any others, the EAS system gets its engine speed signal from the alternator TACH output wire, not the engine ECU, and the system can be wholly removed and a 300Tdi fitted without any adverse effects. The only requirement is for engine speed sense for ABS/ EAS, and that comes from the Alternator.
D2 is a whole lot more complex, and requires interfacing to other ECU's for them to work, like BCM etc.
JC

I stand corrected then.

thanks for all of your input guys, i really appreciate it

in the next few weeks, i will start posting a detailed thread on the megasquirt conversion, im sure that there will be plenty of questions i will need to find answers for

Cheers
Eddie!~

Will follow this thread closely please include pics as you go.Regards Brett